Light earthquake: M4.5 quake has struck near Union in Philippines

Posted by admin on November 9, 2025 0 Comments

A light earthquake magnitude 4.5 (ml/mb) has struck on Thursday, 10 kilometers (6 miles) from Union in Philippines. Exact location of earthquake, 126.1921° East, 9.8057° North, depth 37.473 km. The 4.5-magnitude earthquake was detected at 23:39:16 / 11:39 pm (local time epicenter). Global time and date of event 16/10/25 / 2025-10-16 23:39:16 / October 16, 2025 @ 11:39 pm UTC/GMT. Event ids that are associated to the earthquake: us6000rlx6. Id of event: us6000rlx6. The earthquake occurred at a depth of 37.473 km (23 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

The epicenter was 76 km (47 miles) from Surigao (c. 87 800 pop), 81 km (50 miles) from Tandag (c. 29 000 pop), 67 km (41 miles) from Placer (c. 10 400 pop), 32 km (20 miles) from Socorro (c. 9 700 pop), 58 km (36 miles) from Cantilan (c. 9 400 pop), 16 km (10 miles) from Dapa (c. 8 800 pop), 76 km (48 miles) from Luna (c. 7 800 pop). Nearby country/countries that might be effected, Philippines (c. 99 900 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Loreto, Tago, Tandag (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been seven, in the last 10 days ten, in the past 30 days thirteen and in the last 365 days sixty-one earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 10 km ENE of Union, Philippines.

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Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	126.1921° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	9.8057° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	37.473 km	Depth of the event in kilometers.
Place	10 km ENE of Union, Philippines	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-10-16 23:39:16	Time when the event occurred. UTC/GMT
Updated	2025-11-09 03:02:50	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	reviewed	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	312	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,us,	A comma-separated list of network contributors.
Number of Stations Used	22	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.785	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.68 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	129	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mb	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us6000rlx6	Id of event.
Event Code	6000rlx6	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rlx6,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.5 quake has struck near Union in Philippines

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